Davi Arnaut wrote:
The proxy that the LiveJournal folks wrote, I think, copies all the data from the origin server into a file and then uses sendfile to send to the client...Doesn't this limit the network bandwidth to the bandwidth of the disk and/or file system?
Yes, and the effective bandwidth of the disk can be significantly higher than both the cache backend (which is often expensive) and the network frontend (which has slow potential slow clients typing up your resources).
Don't forget that your cache disk is most often RAM backed, meaning effectively your cache disk is a ramdisk, with all the speed advantages that go with it.
Regards, Graham --
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